//generates the ends of the platform
Mesh GenerateEndCaps(Vert[] vertices, bool isStart)
{
var vertices2D = new Vector2[vertices.Length];
if (isStart)
{
vertices2D = Array.ConvertAll(vertices, x => new Vector2(x.Vector.x, x.Vector.y));
}
else
{
vertices2D = Array.ConvertAll(vertices, x => new Vector2(x.Vector.y, x.Vector.x));
}
// Use the triangulator to get indices for creating triangles
var tr = new PlatformHelper.Triangulator(vertices2D);
int[] indices = tr.Triangulate();
// Create the mesh
Mesh msh = new Mesh();
msh.vertices = vertices.Select(x => x.Vector).ToArray();;
msh.triangles = indices;
return(msh);
}
//generates a rectangular mesh with verts, tris, and uvs.
Mesh GenerateMeshFromPoints(Vector3[] vertices, float uvLengthDistance, float uvWidthDistance, Vector2[] previousUvs, Vector2[] previousWidthUvs)
{
var vertices2D = new Vector2[vertices.Length];
var cross = Vector3.Cross(vertices[1] - vertices[0], vertices[2] - vertices[1]);
if (cross.x != 0)
{
if (cross.x < 0)
{
vertices2D = Array.ConvertAll(vertices, x => new Vector2(x.z, x.y));
}
else
{
vertices2D = Array.ConvertAll(vertices, x => new Vector2(x.y, x.z));
}
}
else if (cross.y != 0)
{
if (cross.y < 0)
{
vertices2D = Array.ConvertAll(vertices, x => new Vector2(x.x, x.z));
}
else
{
vertices2D = Array.ConvertAll(vertices, x => new Vector2(x.z, x.x));
}
}
else if (cross.z != 0)
{
if (cross.z < 0)
{
vertices2D = Array.ConvertAll(vertices, x => new Vector2(x.x, x.y));
}
else
{
vertices2D = Array.ConvertAll(vertices, x => new Vector2(x.y, x.x));
}
}
// Use the triangulator to get indices for creating triangles
var tr = new PlatformHelper.Triangulator(vertices2D);
int[] indices = tr.Triangulate();
//uvs
var currentUvLengthDistance = (Mathf.Abs(Vector3.Distance(vertices[0], vertices[3])) / uvLengthDistance);
var currentUvWidthDistance = (Mathf.Abs(Vector3.Distance(vertices[0], vertices[1])) / uvWidthDistance);
var uvs = new Vector2[4];
uvs[3] = new Vector2(previousUvs[0].x, previousWidthUvs[2].y);
uvs[2] = new Vector2(previousUvs[1].x, previousWidthUvs[1].y + currentUvWidthDistance);
uvs[1] = new Vector2(previousUvs[0].x + currentUvLengthDistance, previousWidthUvs[2].y + currentUvWidthDistance);
uvs[0] = new Vector2(previousUvs[1].x + currentUvLengthDistance, previousWidthUvs[1].y);
// Create the mesh
Mesh msh = new Mesh();
msh.vertices = vertices;
msh.triangles = indices;
msh.uv = uvs;
return(msh);
}